<template>
  <div class="icons">
<!-- swiper 判断有几页   -->
    <swiper :options = "swiperOption">
      <swiper-slide v-for="(page,index) of pages" :key="index">
        <div class="icon" v-for="item in page" :key="item.id">
          <div class="icon-img" >
            <img class="icon-img-content" :src="item.imgUrl">
          </div>
          <p class="icon-desc">{{item.desc}}</p>
        </div>

      </swiper-slide>

    </swiper>


  </div>


</template>

<script>
export default {
  name: "HomeIcons",
  props:{
    icoms:Array
  },

  //计算属性
  computed:{
    pages(){
      const pages = [];
      this.icoms.forEach((item,index) =>{
       const page = Math.floor(index / 8);
       if (!pages[page]){
         pages[page] = [];
       }
        pages[page].push(item);

      });
      return pages;
    }

  },
  data() {
    return {
      swiperOption: {
        autoplay: false
      }

    }

  }
}
</script>

<style lang="stylus" scoped>
.icons
  margin-top .1rem

  .icon
    width 25%
    height 0
    float left
    padding-bottom 25%
    overflow hidden
    position relative

    .icon-img
      position absolute
      left 0
      right 0
      top 0
      bottom .44rem
      padding .1rem

      .icon-img-content
        height 100%
        display block
        margin 0 auto

    .icon-desc
      position absolute
      left 0
      right 0
      bottom 0
      height .44rem
      line-height .44rem
      text-align center
</style>
